In the present study, the effect of thermal cycling and stacking sequence on the tensile behavior of fiber metal laminate (FML) composites containing glass and basalt fibers was investigated. To fabricate the FML samples, fibers reinforced epoxy composite were sandwiched between two layers of 2024-T3 aluminum alloy sheet. 55 thermal cycles were implemented at a temperature range of 25–115°C for 6 min. The tensile tests were carried out after the thermal cycling procedure, and the results were compared with non-thermal cycling specimens. Scanning electron microscopy (SEM) was employed for the characterization of the damage mechanisms. The FMLs containing four basalt fibers’ layers showed higher values of tensile strength, modulus, and energy absorption. On the other hand, the lowest strength and fracture energy were found in the asymmetrically stacked sample containing basalt and glass fibers, due to weak adhesion between composite components (basalt and glass fibers). The lowest tensile modulus was found in the sample containing glass fibers that was due to the low modulus of the glass fibers compared to basalt fibers. In the case of the samples exposed to thermal cycling, the highest and the lowest thermal stabilities were observed in basalt fibers samples and asymmetrically stacked samples, respectively. In accordance with the experimental results, a non-linear damage model using the Weibull function and tensile modulus was employed to predict the stress-strain relationship. The simulated strain–strain curves presented an appropriate agreement with the experimental results.

在本研究中，研究了热循环和堆叠顺序对含玻璃和玄武岩纤维的纤维金属层压材料（FML）复合材料拉伸性能的影响。为了制造FML样品，将纤维增强的环氧复合材料夹在两层2024-T3铝合金板之间。在25–115°C的温度范围内执行了55个热循环6分钟。在热循环程序之后进行拉伸测试，并将结果与​​非热循环样品进行比较。使用扫描电子显微镜（SEM）表征损伤机理。包含四个玄武岩纤维层的FML表现出更高的拉伸强度，模量和能量吸收值。另一方面，由于复合组分（玄武岩和玻璃纤维）之间的弱粘合性，在包含玄武岩和玻璃纤维的非对称堆叠样品中发现了最低的强度和断裂能。在含玻璃纤维的样品中发现最低的拉伸模量，这是由于与玄武岩纤维相比，玻璃纤维的模量低。在样品经受热循环的情况下，分别在玄武岩纤维样品和不对称堆叠的样品中观察到最高和最低的热稳定性。根据实验结果，采用威布尔函数和拉伸模量的非线性损伤模型来预测应力-应变关系。模拟的应变-应变曲线与实验结果吻合得很好。